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Mathematics, 11.02.2020 18:26 lmoleary7466

Consider a production process that produces batteries. A quality engineer has taken 20 samples each containing 100 batteries. The total number of defective batteries observed over the 20 samples is 200.

Construct a 95% confidence interval of the proportion of defectives.

Another sample of 100 was taken and 15 defectives batteries were found. What is your conclusion?

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